6/12/2023 0 Comments Angle of attack 737 torrentIn the two fatal accidents involving Lion Air Flight 610 in October 2018 and Ethiopian Airlines Flight 302 in March 2019, the MCAS activated based on faulty AOA data that told the aircraft's flight-control software its nose was too high just after takeoff. ![]() The MCAS, which automatically adjusts the horizontal stabilizer based on AOA data, was added to the 737’s speed-trim system to ensure the MAX handled like its predecessor, the 737 Next Generation, during certain flight profiles. The aircraft was cleared to return to service in late 2020 pending design changes that included modifications to the existing AOA system and the longer-term development of further enhancements.īoth accidents were linked to problems with the maneuvering characteristics augmentation system (MCAS) software added to the 737 MAX. ![]() Boeing has completed the critical design review of an enhanced angle-of-attack (AOA) system for the 737 MAX and will flight-test the improvements on the stretched 737-10 variant in 2022.įaulty AOA data was a factor in two fatal 737-8 accidents which led to the grounding of the MAX family in March 2019.
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